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Pronunciation of 

atomic mass

view main entry for atomic massnoun [countable] chemistry  

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British English pronunciation: atomic massClick to listen to the pronunciation of atomic mass

dark pool

a method of financial trading in which share prices are hidden and not openly available to the public

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bottom gear

the gear that you use for driving a vehicle very slowly

Open Dictionary

subtweet

to post a tweet, usually a negative one, that mentions a person without using the @ sign, so that they will not see the message on their Twitter feed …

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